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EY Global Delivery Services ( EY GDS) Technical Lead Interview Questions and Answers

Updated 27 Nov 2024

Q1. What are the type of EC2

Ans.

EC2 instances are virtual servers that can be launched in the cloud.

  • There are several types of EC2 instances, each optimized for different use cases such as compute, memory, storage, and networking.

  • Some examples of EC2 instance types include t2.micro, m5.large, c5n.18xlarge, and r5a.4xlarge.

  • EC2 instances can also be categorized by their pricing model, such as On-Demand, Reserved, and Spot instances.

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Q2. How do you implement xgboost?

Ans.

XGBoost is implemented by installing the library, loading the data, defining the model parameters, training the model, and making predictions.

  • Install the xgboost library using pip or conda

  • Load the data into DMatrix format for efficient processing

  • Define the model parameters such as learning rate, max depth, and number of trees

  • Train the model using the fit() function

  • Make predictions using the predict() function

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Q3. what is inheritance?

Ans.

Inheritance is a concept in object-oriented programming where a class can inherit attributes and methods from another class.

  • Allows for code reusability by creating a new class based on an existing class

  • Child class inherits properties and behaviors of the parent class

  • Can have multiple levels of inheritance

  • Example: Class Animal can be a parent class with subclasses like Dog and Cat inheriting its attributes and methods

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Q4. what is azure adls?

Ans.

Azure ADLS stands for Azure Data Lake Storage, a scalable and secure data lake solution for big data analytics.

  • Azure ADLS is a cloud-based storage solution provided by Microsoft Azure.

  • It is designed for big data analytics workloads, allowing users to store and analyze large amounts of data.

  • ADLS offers features like high availability, scalability, and security for data storage and processing.

  • It supports various data types including structured, semi-structured, and unstructured...read more

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Q5. Define security principle.

Ans.

Security principles are guidelines that ensure confidentiality, integrity, and availability of data.

  • Confidentiality - ensuring that data is only accessible to authorized individuals

  • Integrity - ensuring that data is accurate and has not been tampered with

  • Availability - ensuring that data is accessible to authorized individuals when needed

  • Examples of security principles include least privilege, defense in depth, and separation of duties

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Q6. Java project explanation

Ans.

Java project explanation

  • Explain the purpose of the Java project

  • Discuss the technologies used in the project (e.g. Spring, Hibernate)

  • Describe the architecture of the project (e.g. MVC pattern)

  • Talk about any challenges faced during the development process

  • Highlight any unique features or functionalities of the project

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Interview Process at EY Global Delivery Services ( EY GDS) Technical Lead

based on 9 interviews
1 Interview rounds
Technical Round
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